Collins COBUILD Advanced Learner's English Dictionary - route map

1. A route map is a map that shows the main roads in a particular area or the main routes used by buses, trains and other forms of transport in a particular area. N-COUNT 2. If you describe one thing as a route map for another thing, you mean that it provides a model showing the best way to achieve or describe it. Nowhere could you find a better route map of the troubles of Northern Ireland than in the articles of The Independent’s David McKittrick. N-COUNT